Results
2002-25-03: This amendment supersedes Airworthiness Directive (AD) 97-14- 01, which currently applies to all Pilatus Britten-Norman Limited (Pilatus Britten-Norman) BN-2A and BN2A Mk. III series airplanes. AD 97-14-01 requires repetitively inspecting the left-hand rudder bar assembly for cracks, measuring the slider tube unit wall thickness, and modifying the rudder bar assembly by installing a slider tube unit of improved design as a terminating action for the repetitive inspections. AD 97-14-01 resulted from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for the United Kingdom. Reports of cracks being found on the right-hand rudder bar assembly and the inadvertent omission of requiring inspection of the rudder pedal beams prompted this action. This AD retains the requirements of AD 97-14-01 and requires inspections of the right-hand rudder bar assembly and each rudder pedal beam. The actions specified by this AD are intended to prevent failure of the pilot's and co-pilot's rudder bar assemblies, which could result in loss of control of the airplane during landing operations.
2024-08-05: The FAA is superseding Airworthiness Directive (AD) 2014-15- 09, AD 2020-15-09, and AD 2022-16-07. AD 2014-15-09 applied to all Airbus SAS Model A330-200 Freighter, A330-200 and -300, and A340-200, - 300, -500, and -600 series airplanes. AD 2020-15-09 applied to all Airbus SAS Model A330-941 airplanes. AD 2014-15-09 and AD 2020-15-09 required repetitive operational tests of the hydraulic locking function on certain spoiler servo-controls (SSCs) and replacement if necessary. AD 2022-16-07 applied to certain Airbus SAS Model A330-200, A330-200 Freighter, and A330-300 series airplanes. AD 2022-16-07 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. This AD was prompted by the determination that new or more restrictive airworthiness limitations are necessary. This AD continues to require certain actions in AD 2014-15-09, AD 2020-15-09, and AD 2022-16-07 and requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations, as specified in a European Union Aviation Safety Agency (EASA), which is incorporated by reference. This AD also removes Model A340-200, -300, -500, and -600 series airplanes from the applicability. The FAA is issuing this AD to address the unsafe condition on these products.
2000-03-19 REM: This amendment removes Airworthiness Directive (AD) 2000-03-19, which currently applies to all Industrie Aeronautiche e Meccaniche (I.A.M.) Model Piaggio P-180 airplanes that are equipped with pneumatic deicing boots. AD 2000-03-19 requires revising the Airplane Flight Manual (AFM) to include requirements for activating the airframe pneumatic deicing boots. Since FAA issued AD 2000-03-19, I.A.M. has shown the language currently included in the AFM and the airplane configuration are satisfactory to address the conditions identified in AD 2000-03-19. Therefore, this action removes AD 2000-03-19.
2024-10-09: The FAA is adopting a new airworthiness directive (AD) for certain MHI RJ Aviation ULC Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by a determination that a more restrictive airworthiness limitation is necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate a more restrictive airworthiness limitation, as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
2002-24-09: This amendment adopts a new airworthiness directive (AD) that applies to all Pilatus Britten-Norman Limited (Pilatus Britten-Norman) BN2T and BN2T-4R series airplanes. This AD requires you to repetitively inspect the left and right engine-mounting frame for cracks and replace the frame if cracks are found. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for the United Kingdom. The actions specified by this AD are intended to detect and correct cracks in the left and right engine- mounting frame, which could lead to engine mount failure. Such failure could result in separation of the engine from the airplane.
2002-24-06: This amendment adopts a new airworthiness directive (AD) that is applicable to Rolls-Royce Deutschland Ltd. & Co KG (RRD), Model Tay 620-15 and 650-15 turbofan engines. This action requires initial and repetitive inspections of certain low pressure (LP) fuel tubes. This amendment is prompted by a dual-engine flameout. The actions specified in this AD are intended to prevent a dual-engine flameout due to fuel exhaustion, which could lead to forced landing and possible damage to the airplane.
2002-24-05: This amendment adopts a new airworthiness directive (AD) that is applicable to certain Boeing Model 727 series airplanes. This action requires detailed inspections to detect cracking and corrosion of the upper chord of the rear spar of the wing; and repair, if necessary. This action also requires detailed inspections to detect and permanently repair any cracking that has been previously repaired by stop-drilling. This action is necessary to prevent failure of the wing and fuel leaks in the airplane due to stress corrosion cracking of the upper chord of the rear spar. This action is intended to address the identified unsafe condition.
96-10-12: This amendment adopts a new airworthiness directive (AD) that applies to Aviat Aircraft, Inc. (Aviat) Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B airplanes that are equipped with a flight control stick with a wall thickness of .035 inch. This action requires repetitively inspecting the flight control stick for cracks, and replacing any cracked flight control stick with one with a wall thickness of .058 inch. An incident on an Aviat Model S-2A airplane where the flight control stick fractured in flight prompted this action. The actions specified by this AD are intended to prevent the inability to maneuver the airplane because of a cracked flight control stick, which, if not detected and corrected, could result in loss of control of the airplane. The incorporation by reference of certain publications listed in the regulations is approved by the Director of the Federal Register as of June 7, 1996. Comments for inclusion in the Rules Docket must be received on or before July 19, 1996.
96-10-16: This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD-11 series airplanes, that requires inspections to detect damage of the sidewall vent box diaphragms, and repair, if necessary. This amendment also requires the eventual installation of stops on the vent box diaphragm, which terminates the inspection requirements of the AD. This amendment is prompted by reports of damage to sidewall vent box diaphragms, which can result in non-functional diaphragms during a rapid decompression. The actions specified by this AD are intended to prevent buckling of the floor beams due to insufficient air flow of the cabin sidewall vent box diaphragms during rapid decompression, and consequent reduction in the controllability of the airplane.
2024-07-51: The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 429 helicopters. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these helicopters. This AD was prompted by multiple reports of tail rotor (T/R) blade abrasion strip cracks. This AD requires repetitively inspecting and checking the T/R blade abrasion strip on certain T/R blades and, depending on results, replacing or marking the T/R blade. This AD also prohibits installing affected T/R blades on any helicopter. The FAA is issuing this AD to address the unsafe condition on these products.
2024-10-06: The FAA is superseding four airworthiness directives (ADs) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) Model RB211-535E4-37, RB211-535E4-B-37, and RB211-535E4-C-37 engines. The superseded ADs required recalculating the cyclic life for certain engine life-limited rotating parts and replacing those parts that have exceeded their cyclic life limit within specified compliance times. Since the FAA issued those ADs, the manufacturer has revised the engine time limits manual (TLM), introducing new and more restrictive instructions. This AD requires revising the airworthiness limitations section (ALS) of the existing approved maintenance or inspection program, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
2024-10-04: The FAA is adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. (Piper) Model PA-28-181, PA-28R-201, PA- 34-220T, and PA-44-180 airplanes. This AD was prompted by a report of a double-drilled bolt hole of the rear wing spar attachment fitting found during an unscheduled inspection of an airplane due to a ground collision with an automobile. This AD requires inspecting the rear wing spar attachment fitting and, if discrepancies are found, inspecting the forward wing spar attachment fitting, accomplishing corrective actions as required, and reporting to the FAA when corrective actions are required. The FAA is issuing this AD to address the unsafe condition on these products.
2002-24-03: This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747 series airplanes powered by GE CF6-80C2 series engines, that requires repetitive inspections and torque checks to find discrepancies of the fasteners that attach the diagonal brace fittings of the lower spar to the inboard engine struts, and modification of the fasteners if discrepancies are found. This amendment also requires eventual modification of all the fasteners, which ends the repetitive inspections and checks. The actions specified by this AD are intended to find and fix discrepant fasteners of the diagonal brace fittings, which could result in reduced structural integrity of the diagonal brace-to-strut attachment, and possible separation of the strut and engine from the airplane. This action is intended to address the identified unsafe condition.
2024-08-04: The FAA is adopting a new airworthiness directive (AD) for all De Havilland Aircraft of Canada Limited Model DHC-8-401 and -402 airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
96-09-09: This amendment adopts a new airworthiness directive (AD) that applies to I.A.M. Rinaldo Piaggio S.p.A. Model P 180 series airplanes. This action requires installing a shield on the front section of the engine cradle. A report of power control jamming as a result of freezing conditions during a high altitude flight prompted this AD action. The actions specified by this AD are intended to prevent loss of engine power or the propeller controls from jamming as a result of freezing rain entering the engine nacelle, which, if not detected and corrected, could result in loss of control of the airplane.
96-09-08: This amendment adopts a new airworthiness directive (AD) that is applicable to Aviat Aircraft Inc., Models S-2A, S-2B, and S-2S airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes). This action requires inspecting the longerons aft of the rear cabane struts for cracks, and if cracked, prior to further flight, repairing the cracks. Reports of longeron failure caused by fatigue aft of the rear cabane struts prompted this action. The actions specified by this AD are intended to prevent cracking and subsequent failure of the longerons resulting in possible loss of control of the airplane .
96-10-05: This amendment adopts a new airworthiness directive (AD) that applies to certain Maule Aerospace Technologies, Inc. (Maule) Models M-4-210 and M-4-210C airplanes that have Dual Exhaust System 5230F installed. This action requires relocating the gascolator and electric fuel pump away from the dual exhaust system. The Federal Aviation Administration (FAA) recently became aware that, with these dual exhaust systems installed on the affected airplanes, the left-hand exhaust stack is routed almost directly below the fuel gascolator. The close proximity of the flammable fuel to the exhaust system presents an unsafe condition and violates current regulations. The actions specified by this AD are intended to prevent an airplane engine fire caused by the close proximity of the fuel gascolator and electric fuel pump to the exhaust system.
2024-07-09: The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by the discovery that existing maintenance tasks do not detect the potential failure of the passenger door detent mechanism because there is no procedure for inspecting the passenger door locking mechanism. This AD requires revising the maintenance or inspection program, as applicable, to require use of a certain aircraft maintenance manual (AMM) task during accomplishment of a specified maintenance check. The FAA is issuing this AD to address the unsafe condition on these products.
2018-02-16: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model DHC-8-400 series airplanes. This AD was prompted by reports that operation of fuselage doors was interrupted due to corrosion in certain door roller bearings. This AD requires a one-time detailed inspection of the bearings for corrosion, and replacement if necessary. We are issuing this AD to address the unsafe condition on these products.
2004-16-15 R1: This amendment revises an existing airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS-365N2, AS 365 N3, EC 155B, EC155B1, SA-365N, N1, and SA-366G1 helicopters that currently requires inspecting the main gearbox (MGB) base plate for a crack and replacing the MGB if a crack is found. This amendment increases the time intervals for inspecting the MGB base plate and includes minor editorial changes throughout the AD. This amendment is prompted by crack growth tests that indicate that the inspection intervals can be increased without affecting safety. The actions specified by this AD are intended to detect a crack in an MGB base plate and prevent failure of one of the MGB attachment points to the frame, which could result in severe vibration and subsequent loss of control of the helicopter.
97-07-09: This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A300 series airplanes, that requires repetitive checks and testing of certain equipment that regulates the flow of fuel from wing tank 2A to the number 2 engine. This amendment also requires replacement of this equipment with equipment that has been designed to prevent incorrect installation; this replacement is considered to be terminating action for the repetitive equipment checks and tests. This amendment is prompted by reports indicating that the incorrect installation of this equipment has caused the flight crew to shut off, rather than open, certain valves that regulate the flow of fuel from between this tank and engine. The actions specified by this AD are intended to detect and rectify incorrect installations, which could result in the flight crew inadvertently shutting off the flow of fuel to the engine, and consequent engine failure during flight.
2024-07-02: The FAA is adopting a new airworthiness directive (AD) for CFM International, S.A. (CFM) Model LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2, and LEAP-1A35A engines. This AD was prompted by detection of melt-related freckles in the billet, which may reduce the life of certain high-pressure turbine (HPT) rotor interstage seals. This AD requires removing the affected HPT rotor interstage seals from service and replacing with a part eligible for installation. The FAA is issuing this AD to address the unsafe condition on these products.
2002-24-02: This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 757-200 series airplanes, that requires repetitive inspections for fatigue cracking of certain areas of the forward and aft frames of the cargo doorways and repair, if necessary. The actions specified by this AD are intended to find and fix such cracking, which could lead to rapid depressurization of the airplane and result in reduced structural integrity of the cargo doorway. This action is intended to address the identified unsafe condition.
98-07-06: This amendment adopts a new airworthiness directive (AD), applicable to certain British Aerospace Model BAe 146-100A, -200A, and -300A, and Model Avro 146-RJ series airplanes, that requires repetitive inspections of the attachment brackets between the horizontal and vertical stabilizers to detect intergranular corrosion, and follow-on actions. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to detect and correct reduced structural integrity of the stabilizer brackets due to corrosion, which could result in reduced controllability of the airplane.
2002-23-21: This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 747 series airplanes, that currently requires inspection of the flap tracks of the wing trailing edge flaps for adequate cadmium plating and for corrosion of certain bolt holes of the fail-safe bar, and plating of such holes, if necessary. This amendment also requires post-modification inspections of certain bolt holes of the fail-safe bar of the flap tracks of the wing trailing edge flaps for discrepancies, and corrective actions, if necessary. This amendment is prompted by reports of corrosion and cracks found in certain bolt holes reworked according to the existing AD. The actions specified by this AD are intended to find and fix discrepancies of the bolt holes, which could result in fracture of the flap track, separation of the flap, and consequent loss of control of the airplane. This action is intended to address the identified unsafe condition.